Alpha Tau Medical (DRTS) Short Interest Ratio & Short Volume $3.83 0.00 (-0.10%) As of 03:07 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Alpha Tau Medical Short Interest DataAlpha Tau Medical (DRTS) has a short interest of 91,100 shares, representing 0.18% of the float (the number of shares available for trading by the public). This marks a 17.85% increase in short interest from the previous month. The short interest ratio (days to cover) is 1.7, indicating that it would take 1.7 days of the average trading volume of 63,915 shares to cover all short positions.Current Short Interest91,100 sharesPrevious Short Interest77,300 sharesChange Vs. Previous Month+17.85%Dollar Volume Sold Short$311.56 thousandShort Interest Ratio1.7 Days to CoverLast Record DateAugust 31, 2025Outstanding Shares84,820,000 sharesFloat Size50,920,000 sharesShort Percent of Float0.18%Today's Trading Volume12,584 sharesAverage Trading Volume63,915 sharesToday's Volume Vs. Average20% Short Selling Alpha Tau Medical? Sign up to receive the latest short interest report for Alpha Tau Medical and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartDRTS Short Interest Over TimeDRTS Days to Cover Over TimeDRTS Percentage of Float Shorted Over Time Alpha Tau Medical Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/31/202591,100 shares $311.56 thousand +17.9%0.2%1.7 $3.42 8/15/202577,300 shares $253.54 thousand +3.9%0.2%1.6 $3.28 7/31/202574,400 shares $228.41 thousand -18.9%0.2%1.5 $3.07 7/15/202591,700 shares $288.86 thousand +0.4%0.2%2 $3.15 6/30/202591,300 shares $284.86 thousand -13.1%0.2%2.1 $3.12 6/15/2025105,100 shares $318.45 thousand +8.0%0.2%2.6 $3.03 5/31/202597,300 shares $288.01 thousand -12.4%0.2%2.3 $2.96 5/15/2025111,100 shares $328.86 thousand +9.0%0.2%2.3 $2.96 4/30/2025101,900 shares $260.86 thousand +3.4%0.2%2.2 $2.56 4/15/202598,600 shares $252.42 thousand +11.9%0.2%1.5 $2.56 Get the Latest News and Ratings for DRTS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alpha Tau Medical and its competitors with MarketBeat's FREE daily newsletter. 3/31/202588,100 shares $221.13 thousand -27.8%0.2%1 $2.51 3/15/2025122,000 shares $323.30 thousand +60.7%0.2%1.4 $2.65 2/28/202575,900 shares $229.22 thousand +0.9%0.2%0.8 $3.02 2/15/202575,200 shares $236.13 thousand -26.2%0.2%0.8 $3.14 1/31/2025101,900 shares $377.03 thousand -21.6%0.2%1.2 $3.70 1/15/2025130,000 shares $500.50 thousand +79.1%0.3%1.9 $3.85 12/31/202472,600 shares $225.06 thousand +7.1%0.1%1.6 $3.10 12/15/202467,800 shares $208.15 thousand -17.8%0.1%1.9 $3.07 11/30/202482,500 shares $231.00 thousand +26.5%0.2%2.3 $2.80 11/15/202465,200 shares $145.40 thousand -2.8%0.1%2.4 $2.23 10/31/202467,100 shares $157.01 thousand +30.5%0.1%3 $2.34 10/15/202451,400 shares $112.05 thousand +17.9%0.1%2.2 $2.18 9/30/202443,600 shares $103.77 thousand +6.6%0.1%1.7 $2.38 9/15/202440,900 shares $95.71 thousand +23.9%0.1%1.2 $2.34 8/31/202433,000 shares $80.85 thousand +63.4%0.1%1 $2.45 8/15/202420,200 shares $45.45 thousand -24.1%0.0%0.6 $2.25 7/31/202426,600 shares $57.99 thousand -5.0%0.1%0.7 $2.18 7/15/202428,000 shares $59.36 thousand -1.1%0.1%0.7 $2.12 6/30/202428,300 shares $71.60 thousand +60.8%0.1%0.7 $2.53 6/15/202417,600 shares $40.48 thousand -27.0%0.0%0.5 $2.30 5/31/202424,100 shares $60.49 thousand -10.4%0.1%0.7 $2.51 5/15/202426,900 shares $71.29 thousand -6.9%0.1%0.8 $2.65 4/30/202428,900 shares $72.25 thousand -33.7%0.1%0.8 $2.50 4/15/202443,600 shares $121.21 thousand -22.8%0.1%1.4 $2.78 3/31/202456,500 shares $166.68 thousand +61.9%0.1%1.9 $2.95 3/15/202434,900 shares $99.47 thousand +22.5%0.1%1 $2.85 2/29/202428,500 shares $85.50 thousand -46.3%0.1%0.8 $3.00 2/15/202453,100 shares $165.14 thousand +10.4%0.1%1.4 $3.11 1/31/202448,100 shares $159.69 thousand -42.6%0.1%1.3 $3.32 1/15/202483,800 shares $263.97 thousand +28.1%0.2%2.3 $3.15 12/31/202365,400 shares $196.85 thousand +5.3%0.2%1.8 $3.01 12/15/202362,100 shares $170.78 thousand -15.5%0.2%2 $2.75 11/30/202373,500 shares $241.08 thousand +12.9%0.2%2.9 $3.28 11/15/202365,100 shares $195.30 thousand -8.2%0.2%2.5 $3.00 10/31/202370,900 shares $255.24 thousand -29.5%0.2%1.2 $3.60 10/15/2023100,600 shares $387.31 thousand -3.6%0.3%1.7 $3.85 9/30/2023104,300 shares $395.30 thousand -14.7%0.3%1.6 $3.79 9/15/2023122,200 shares $414.26 thousand -22.9%0.3%1.7 $3.39 8/31/2023158,500 shares $519.88 thousand +96.2%0.4%2.2 $3.28 8/15/202380,800 shares $294.92 thousand -3.8%0.2%1 $3.65 7/31/202384,000 shares $332.64 thousand +10.2%0.2%1.6 $3.96 7/15/202376,200 shares $306.32 thousand -18.4%0.2%1.4 $4.02 6/30/202393,400 shares $408.16 thousand +2.5%0.3%1.9 $4.37 6/15/202391,100 shares $389.00 thousand -52.3%0.2%2 $4.27 5/31/2023191,000 shares $758.27 thousand +57.9%0.5%3.9 $3.97 5/15/2023121,000 shares $453.75 thousand +1.9%0.3%2.9 $3.75 4/30/2023118,700 shares $363.22 thousand -6.4%0.3%3.1 $3.06 4/15/2023126,800 shares $389.28 thousand -6.1%0.3%3.1 $3.07 3/31/2023135,100 shares $387.74 thousand -4.5%0.4%1.9 $2.87 3/15/2023141,500 shares $434.41 thousand No Change0.4%2 $3.07 2/28/2023141,500 shares $447.14 thousand +1.2%0.4%1.9 $3.16 2/15/2023139,800 shares $494.89 thousand -2.1%0.4%1.9 $3.54 1/31/2023142,800 shares $568.34 thousand -23.6%0.4%1.9 $3.98 1/15/2023187,000 shares $865.81 thousand +32.8%0.5%2.5 $4.63 12/30/2022140,800 shares $447.74 thousand +0.4%0.4%3 $3.18 12/15/2022140,300 shares $454.57 thousand +1.4%0.4%3 $3.24 11/30/2022138,400 shares $552.22 thousand -15.6%0.4%2.7 $3.99 11/15/2022163,900 shares $712.97 thousand -18.0%0.5%2.9 $4.35 10/31/2022199,800 shares $839.16 thousand -12.6%0.6%3.8 $4.20 10/15/2022228,700 shares $1.06 million -0.2%0.7%4.8 $4.62 9/30/2022229,100 shares $1.34 million -3.7%0.7%5 $5.84 9/15/2022237,800 shares $1.33 million +7.6%0.7%4.1 $5.58 8/31/2022221,000 shares $1.69 million -2.6%0.7%2.2 $7.64 8/15/2022226,800 shares $2.45 million -13.3%0.3%2.5 $10.79 7/31/2022261,600 shares $2.88 million -0.1%0.4%2.5 $11.00 7/15/2022261,900 shares $2.69 million No Change0.4%2.1 $10.28 DRTS Short Interest - Frequently Asked Questions What is Alpha Tau Medical's current short interest? Short interest is the volume of Alpha Tau Medical shares that have been sold short but have not yet been covered or closed out. As of August 31st, traders have sold 91,100 shares of DRTS short. 0.18% of Alpha Tau Medical's shares are currently sold short. Learn More on Alpha Tau Medical's current short interest. What is a good short interest ratio for Alpha Tau Medical? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. DRTS shares currently have a short interest ratio of 2.0. Learn More on Alpha Tau Medical's short interest ratio. What is a good short interest percentage for Alpha Tau Medical? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 0.18% of Alpha Tau Medical's floating shares are currently sold short. Is Alpha Tau Medical's short interest increasing or decreasing? Alpha Tau Medical saw a increase in short interest in August. As of August 31st, there was short interest totaling 91,100 shares, an increase of 17.9% from the previous total of 77,300 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. What is Alpha Tau Medical's float size? Alpha Tau Medical currently has issued a total of 84,820,000 shares. Some of Alpha Tau Medical's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Alpha Tau Medical currently has a public float of 50,920,000 shares. How does Alpha Tau Medical's short interest compare to its competitors? 0.18% of Alpha Tau Medical's shares are currently sold short. Here is how the short interest of companies in the industry of "medical equipment" compare to Alpha Tau Medical: MiMedx Group, Inc (3.42%), Pulse Biosciences, Inc (19.53%), InMode Ltd. (5.86%), iRadimed Corporation (1.20%), Embecta Corp. (5.52%), Tandem Diabetes Care, Inc. (10.03%), AxoGen, Inc. (5.75%), SiBone (5.22%), Bioventus Inc. (4.05%), Avanos Medical, Inc. (6.10%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 billion). View all of the most shorted stocks. What does it mean to sell short Alpha Tau Medical stock? Short selling DRTS is an investing strategy that aims to generate trading profit from Alpha Tau Medical as its price is falling. DRTS shares are trading down $0.00 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Alpha Tau Medical? A short squeeze for Alpha Tau Medical occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of DRTS, which in turn drives the price of the stock up even further. How often is Alpha Tau Medical's short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including DRTS, twice per month. The most recent reporting period available is August, 31 2025. More Short Interest Resources from MarketBeat Related Companies MiMedx Group Short Interest Pulse Biosciences Short Interest InMode Short Interest iRadimed Short Interest Embecta Short Interest Tandem Diabetes Care Short Interest AxoGen Short Interest SiBone Short Interest Bioventus Short Interest Avanos Medical Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:DRTS) was last updated on 9/12/2025 by MarketBeat.com Staff From Our PartnersStunning new initiative unfolding in the White House?what I just learned about what’s unfolding in the White House is truly stunning… And you need to see it for...Paradigm Press | SponsoredTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredForget NVDA. 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